The oxidation number of S in Na_2S_4O_6 is

JEE Main Chemistry question

The oxidation number of S in is

(A)2.5 for each S atom
(B) and (two S have and the other two have )
(C) and (three S have and one S has )
(D) and (two S have and the other two have zero)Correct

Answer: (D)

Solution

In (tetrathionate), the structure has a central bond between two sulfur atoms that carry oxidation number (analogous to elemental sulfur), while the other two (terminal,

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Question ID VK-143768